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8051 microcontroller I require to transmit data from an 8051 microcontroller wirelessly. What method could i use? My conditions are that the module to be connected with 8051 be cheap and consume low power.

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You have couple of option here, either you build your own amplifying circuit and antenna to the serial port or you use existing RF module.
applied electronics engineering

Posted on Oct 24, 2015

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Well an 8051 has a built in serial port BUT is VERY sloooow.
1. how far?
A.short range you could use blue-tooth.
B. longer range: There are some wireless modules in Nuts&Volts(magazine)
C. go with a serial /ethernet adapter (very small) and then use a air card or cell phone..
FINS

Posted on Feb 11, 2008

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Posted on Jan 02, 2017

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2005 volvo xc90 will not stay running, it is giving a code of U0073 generic control module communication bus"a" off. .we have put in new crank sensor. the maf sensor is not the problem


Do you know what a serial data communication network is ? All the control modules on your vehicle share info on it . It stead of hard wiring all the componets on the vehicle they use control modules and a data network . U codes are problem codes assoicated with these networks . U0073 generic control module communication bus"a"OFF Has nothing to do with engine sensors ! Condition
The control modules transmit and receive information via a standardized serial communication method - CAN (Control Area Network).
The diagnostic trouble code (DTC) is stored if the control module detects that:
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The control module's test for the diagnostic trouble code (DTC) starts in the event of:
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Note!The control module can only detect the fault once the test has been started and the diagnostic trouble code (DTC) is stored when the conditions are met. In the event of system communication problems, it is not possible to communicate with the control module. Therefore it will only be possible to read off the fault if it is intermittent. Substitute value
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Do you even know what DTC U0107 involves ?
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